3 years ago

How to simplify using distributive -8(x + 4)

Mathematics

1 answer:

slega [8]3 years ago

6 0

-8x-32 is the answer

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Solve the system by substitution.<br> y = 5x<br> y = 9x + 4

SVEN [57.7K]

Answer:

(-1, -5)

Step-by-step explanation:

$\left \{ {{y=5x} \atop {y=9x+4}} \right.$

1. We must calculate x, for that we must substitute y, so we have:

5x=9x+4

2. Now we solve the equation.

5x-9x=4

-4x=4

x=-1

3. Now we must calculate y

y=5x

y=5(-1)

y=-5

And the answer is (-1, -5)

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36 divided by 3/4 will equal how many servings are in the cooler

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5, 3.1.24<br><br> f(x) = 3x² + 5; find f(x + 3) - [f(x) + 3]

Aleks [24]

Given that $f(x) = 3x^2 + 5$ , we have

$f(x + 3) = 3 (x + 3)^2 + 5 \\\\= 3 (x^2 + 6x + 9) + 5 \\\\= 3x^2 + 18x + 32$

so that

$f(x+3) - (f(x) + 3) = (3x^2 + 18x + 32) - (3x^2 + 8) \\\\= \boxed{18x + 24}$

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2 years ago

if the area of an isosceles triangle is 240 CM square and each of its equal side is 26 cm find the length of third side

k0ka [10]

Answer:

=24+24,10+10

=48 or 20

Step-by-step explanation:

I hope it's help

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